diff --git a/share/man/man9/ktr.9 b/share/man/man9/ktr.9
index 43b58ae8f5fc..a096c7f065f5 100644
--- a/share/man/man9/ktr.9
+++ b/share/man/man9/ktr.9
@@ -51,6 +51,8 @@
 .Fn CTR4 "u_int mask" "char *format" "arg1" "arg2" "arg3" "arg4"
 .Ft void
 .Fn CTR5 "u_int mask" "char *format" "arg1" "arg2" "arg3" "arg4" "arg5"
+.Ft void
+.Fn CTR6 "u_int mask" "char *format" "arg1" "arg2" "arg3" "arg4" "arg5" "arg6"
 .Sh DESCRIPTION
 KTR provides a circular buffer of events that can be logged in a
 .Xr printf 9